diff --git a/pkgs/applications/audio/artyFX/default.nix b/pkgs/applications/audio/artyFX/default.nix
index 0265e0f75ecb..8cf9bec2e3df 100644
--- a/pkgs/applications/audio/artyFX/default.nix
+++ b/pkgs/applications/audio/artyFX/default.nix
@@ -2,13 +2,14 @@
 
 stdenv.mkDerivation rec {
   pname = "artyFX";
-  version = "1.3";
+  # Fix build with lv2 1.18: https://github.com/openAVproductions/openAV-ArtyFX/pull/41/commits/492587461b50d140455aa3c98d915eb8673bebf0
+  version = "unstable-2020-04-28";
 
   src = fetchFromGitHub {
     owner = "openAVproductions";
     repo = "openAV-ArtyFX";
-    rev = "release-${version}";
-    sha256 = "012hcy1mxl7gs2lipfcqp5x0xv1azb9hjrwf0h59yyxnzx96h7c9";
+    rev = "492587461b50d140455aa3c98d915eb8673bebf0";
+    sha256 = "0wwg8ivnpyy0235bapjy4g0ij85zq355jwi6c1nkrac79p4z9ail";
   };
 
   nativeBuildInputs = [ pkgconfig ];